16806255139293 has 32 divisors (see below), whose sum is σ = 22736766873600. Its totient is φ = 11040251538816.

The previous prime is 16806255139283. The next prime is 16806255139367. The reversal of 16806255139293 is 39293155260861.

It is a happy number.

It is not a de Polignac number, because 16806255139293 - 2²⁸ = 16805986703837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16806255139243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1679444896 + ... + 1679454902.

It is an arithmetic number, because the mean of its divisors is an integer number (710523964800).

Almost surely, 2^{16806255139293} is an apocalyptic number.

It is an amenable number.

16806255139293 is a deficient number, since it is larger than the sum of its proper divisors (5930511734307).

16806255139293 is a wasteful number, since it uses less digits than its factorization.

16806255139293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561.

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 16806255139293 in words is "sixteen trillion, eight hundred six billion, two hundred fifty-five million, one hundred thirty-nine thousand, two hundred ninety-three".